Let ~ be protected

diff --git a/ucwmac.tex b/ucwmac.tex
index 74211b3de2bcc1a645b55d9058e355150985a21c..ce1886101e683cb8e5dbbcabe875a9ad998105ad 100644 (file)
--- a/ucwmac.tex
+++ b/ucwmac.tex
@@ -255,6 +255,10 @@
 % \putimage{width specification}{file}
 \def\putimage#1#2{\hbox{\pdfximage #1{#2}\pdfrefximage\pdflastximage}}
 
+% Let ~ be protected
+\let\plaintilde=~
+\protected\def~{\plaintilde}
+
 %%% Epilog %%%
 
 % Let's hide all internal macros